# HG changeset patch
# User Valentin Bartenev <vbart@nginx.com>
# Date 1364998415 0
# Node ID fc595eeb6c54441a46a13a3b115b1cf7dc895b5c
# Parent  4bcd35e7a0f0ab7e5e65bda9756cb28b61e252dd
Limit req: rate should be non-zero.

Specifying zero rate caused division by zero when calculating delays.

diff --git a/src/http/modules/ngx_http_limit_req_module.c b/src/http/modules/ngx_http_limit_req_module.c
--- a/src/http/modules/ngx_http_limit_req_module.c
+++ b/src/http/modules/ngx_http_limit_req_module.c
@@ -795,7 +795,7 @@ ngx_http_limit_req_zone(ngx_conf_t *cf, 
             }
 
             rate = ngx_atoi(value[i].data + 5, len - 5);
-            if (rate <= NGX_ERROR) {
+            if (rate <= 0) {
                 ngx_conf_log_error(NGX_LOG_EMERG, cf, 0,
                                    "invalid rate \"%V\"", &value[i]);
                 return NGX_CONF_ERROR;